have one of them that's operating in san francisco and we're talking to the other that's interested in the possible on-street model as well. >> so, now that you've completed the presentation, i wanted to talk a little bit more, less in generalities and more specifics. which cities are you talking to, when you talk about sharing, collecting data from some of the other programs that are happening across the u.s.? can you give me some specifics, ways you're going to be extrapolating the data? >> well, so, the one-way on street model, as i understand, operational in washington, d.c. and san diego, portland, i think vancouver and a couple of other cities. so, we've begun to get some information, want to talk directly to the folks in those cities to understand what their experience is. there is' also a report that was done from a program in hanover, germany that evaluated things such as -- i think, i haven't seen the report, but impact on emissions and where -- whether this was reducing trips or not. and, so, we're eager to evaluate what the experience in hanover was as well. * >> and in